>> paul brian and joe biden will face off in their only debate -- paul ryan and joe biden will face off in their only debate. you can watch and engaged with c-span with their previous 7:00, followed by two ways to watch the debate at 9:00. all followed by your calls, e- mails, and tweetts at 10:30. >> two counter-terrorism experts said the administration's expanded use of drone strikes may be undermining its security objectives in pakistan and yemen. they discussed the move from targeted killings to signatures strikes, which target groups of the unidentified man associated with terrorists. drawn strikes and pakistan alone have increased from about one every 40 days during the bush administration to one every four days. this is from host: [captioning performed by national captioning institute] [captions copyright national cable satellite corp. 2012] >> good afternoon. my name is gregory aftandilian. on behalf of our chairman, and our president, i want to welcome all of you here today. i also want to welcome c-span for covering this event. the event is titled, "death from above." as many